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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
5" and 10" WC ratings to optimize burner efficiency and prevent over-firing or soot accumulation
While technically an SPDT switch
it provides the narrow switch differential required for sensitive system feedback and corrective action via supplementary control equipment
which can improve durability under load
It includes the primary condensate trap and the specialized rubber holder required for a standard replacement
Lennox 83L72 Flame Sensor 319852-301 5" and 10" WC ratingsAs a seasoned technician, you know that a fouled Lennox 83L72 Flame Sensor is one of the most frequent causes of nuisance furnace short cycling. This genuine OEM flame rod replacement is engineered for precision rectification signal monitoring within the combustion chamber. When the integrated furnace control (IFC) fails to detect the microamp current through this sensor, it immediately terminates the gas valve power to prevent hazardous conditions.
US$ 32.75
US$ 50.00
US$ 41.75
US$ 24.95